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Semiconductor Nanoelectronics

The institute investigates fundamental problems in semiconductor physics and in semiconductor materials.

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New Laser for Computer Chips

Jülich, 19 January 2015 – Scientists from Forschungszentrum Jülich and the Paul Scherrer Institute in Switzerland in cooperation with international partners have presented the first semiconductor consisting solely of elements of main group IV. As a consequence, the germanium-tin (GeSn) laser can be applied directly onto a silicon chip and thus creates a new basis for transmitting data on computer chips via light: this transfer is faster than is possible with copper wires and requires only a fraction of the energy.

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Research Topic

Semiconductor nanowires can be formed directly by using the so-called bottom-up approach. In contrast to the usual top-down method where optical or electron beam lithography is employed, this approach has the potential to simply the fabrication of low-dimensional semiconductor nanostructures enormously.
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What alternatives are there to present computers based on crystals of silicon or other semiconductors? What is – from a physical point of view – the smallest possible device that can be used to perform computational processes? Is there a minimum amount of energy required for floating point operations? JARA

JARA FIT Lab Course

Students are invited to participate in the JARA-FIT Lab Course Nanoelectronics. The goal of the practical course is to advance students to current research topics from nano-electronics. Therefore selected experiments take place at genuine research equipments.
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